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S 2011 Design and Experiment Project Lab 2 OpAmp

S 2011 Design and Experiment Project Lab 2 OpAmp -...

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Operational Amplifier Imperfections and Applications EEE 3308C Spring 2011 1 EEE 3308C Design and Experiment Project Lab #2 Operational Amplifier Imperfections and Applications 1. Objectives This lab is intended to familiarize you with the important ways in which the integrated circuit op- amp deviates from the ideal. Also, it will explore ways in which to compensate for these non- idealities in applications such as the inverting, or Miller, integrator. In this Design and Experiment Project (DEP), the student is expected to read, understand, and apply the fundamentals of operational amplifiers. References to Chapter 2 material pertinent to the design and experiment project are noted below. 2. Equipment You will need the following: National Instruments ELVIS Textronix TDS2024 DSO Fairchild LM741CN Op-Amp; biased between 15 V and 15 V 10 kΩ Potentiometer Various capacitor and resistor values 3. Pre-lab (to be done before labs of week 2/1-2/4, 2/7) IN YOUR LAB NOTEBOOK (1) Find and print out a copy of the LM741CN opamp datasheet from http://www.national.com/ds/LM/LM741.pdf . (2) Write down the minimum, typical, and maximum values for the following parameters in your laboratory notebook. a. V OS (input offset voltage) b. I OS (input offset current) c. I B (input bias current) d. GBW (gain bandwidth product) e. SR (slew rate) (3) Write down the pin-out diagram for the opamp in your laboratory notebook. TO TURN IN TO YOUR TA (4) Add only an offset voltage source to the circuit in Figure 1 (similar to Figure 2.29 in the text) and solve for V O .
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